For every positive even integer n, the function h(n) is

For every positive even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive. If p is the smallest prime factor of h(100) +1, then p is?A. between 2 and 20B. between 10 and 20C. between 20 and 30D. between 30 and 40E. greater than 40please EXPLAIN why answer is E. TIA